Finding the Fourth Proportional to 9,954.72, 14,929.92 and 3,544.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,954.72 : 14,929.92 = 3,544.18 : x
2. Step 2: Convert to fraction form
   9,954.72/14,929.92 = 3,544.18/x
3. Step 3: Cross multiply
   9,954.72x = 14,929.92 × 3,544.18
4. Step 4: Simplify right side
   9,954.72x = 52,914,286.54
5. Step 5: Solve for x
   x = 52,914,286.54/9,954.72
6. Step 6: Final answer
   x = 5,315.50